I remember Obama getting the Nobel Peace Prize not even a year into his first term, with no concrete peace-related achievements under his belt. There are also Kissinger, Abiy Ahmed and Yasser Arafat on the list of laureates. Overall, it might be the weakest of the Prizes, in the "too dependent on momental popularity and political pressure" sense.
The scientific Nobels + Literature are usually awarded with a decent time gap after the relevant achievement, which helps. Maybe the Nobel Peace Prize should only be awarded to professionally retired people over 70. That would prevent it from being too politicized.
The over 70 criteria wouldn't help much nowadays, with basically every leader being in his 70s+ (Trump, Biden, Xi, Netanyahu, Erdogan, Khomeini, Putin, etc.)
The scientific Nobels + Literature are usually awarded with a decent time gap after the relevant achievement, which helps. Maybe the Nobel Peace Prize should only be awarded to professionally retired people over 70. That would prevent it from being too politicized.